Subtract 7/70 from 27/4, Solve 6 3/4

Subtract 7/70 from 27/4

1^st number: 6 3/4, 2^nd number: 7/70

27/4 - 7/70 is 133/20.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 4 × 35 = 140,
27/4 = 27 × 35/4 × 35 = 945/140
Likewise, for the 2nd fraction, since 70 × 2 = 140,
7/70 = 7 × 2/70 × 2 = 14/140
Subtract the two like fractions:
945/140 - 14/140 = 945 - 14/140 = 931/140
After reducing the fraction, the answer is 133/20
In mixed form: 613/20

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